MESON Chess Problem Database
Problem Display
PID: 2832 (K7/nQ2N3/2rR2p1/6P1/2p1kp2/2B1p2R/pr1n4/b2B2N1 w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Source?, 1881
#2
9 + 11
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Rxb7
- 2.Bc2#
- 1...Sb1
- 2.Bf3#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2
- 2.Re6#
- 1...f3
- 2.Rh4#
- 1...Rb1
- Tries
- 1.Kxa7?
- threat
- 2.Qxc6#
- 1...f3
- 2.Rh4#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Rxb7+!
- threat
- 1.Bf6?
- threat
- 2.Rd4#
- 1...Rxb7
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Rb3!
- threat
- 1.Bg7?
- threat
- 2.Rd4#
- 1...Rxb7
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Rb3!
- threat
- 1.Bh8?
- threat
- 2.Rd4#
- 1...Rxb7
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Rb3!
- threat
- 1.Rh1?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Rb3
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sb1
- 2.Bf3#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rg3?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rg4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2
- 2.Re6#
- 1...fxg3!
- 1...Rxb7
- 1.Rh4?
- 1...Rxb7
- 2.Bc2#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rh6?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rh7?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rh8?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rd7?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Rd8?
- 1...Rxb7
- 2.Bc2#
- 1...f3
- 2.Rh4#
- 1...Sb1
- 2.Bf3#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb3
- 2.Bc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...e2!
- 1...Rxb7
- 1.Kxa7?
- Keys
- 1.Rh2!
- 1...Rxb7
- 2.Bc2#
- 1...e2
- 2.Rxe2#
- 1...f3
- 2.Rh4#
- 1...Rb3
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Rb4
- 2.Bc2#
- 1...Rb5
- 2.Bc2#
- 1...Rb6
- 2.Bc2#
- 1...Sb1
- 2.Bf3#
- 1...Sf1
- 2.Bf3#
- 1...Sb3
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sb5
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...Rxb7
- 1.Rh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- P(e);::R(F)
- P(h);OGATEB::R(D)
- Tries
- Try
- K(I);P-FLIGHT,XS(k)
- Threat
- QAB(G),XR(i)
- Vars
- P(h);OGATEB::R(D)
- R(c);N_GUARD::B(A)
- Refutation
- R(c);CHECK,N_SPINR(i),XQ(G)
- Try
- B(C);
- Threat
- R1(F)
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- R1(F)
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- R1(F)
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- R(c);
- Try
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- P(e);::R(F)
- Refutation
- P(h);XR(D)
- Try
- R(D);P_PINP(h)
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- R(F);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(h);OGATEB::R(D)
- S(d);N_GUARD::B(A)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
- Refutation
- P(e);
- Try
- Actual
- R(D);
- Vars
- R(c);N_GUARD,N_SPINR(i),XQ(G)::B(A)
- P(e);OGATEB::R(D),XP(e)
- P(h);OGATEB::R(D)
- R(c);N_GUARD::B(A)
- R(c);N_GUARD::B(A),XR(c)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(k);N_GUARD::QAB(G),XR(i)
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