MESON Chess Problem Database
Problem Display
PID: 98608 (8/3pK3/B2Rb1N1/2p2k1P/R4p1P/nNB2P2/Q4p2/r1br4 w - - 0 1)
Prins, Hendrik
US Problem Bulletin, 1991
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Bd3#
- 1...Rg1
- 2.Bd3#
- 1...Rh1
- 2.Bd3#
- 1...Rd2
- 2.Rxf4#
- 1...Rd3
- 2.Bxd3#
- 1...Bb2
- 2.Rxf4#
- 1...Bd2
- 2.Bd3#
- 1...Bxb3
- 2.Rf6#
- 1...Bc4
- 2.Rf6#
- 1...Bd5
- 2.Rf6#
- 1...Bf7
- 2.Rf6#
- 1...Bg8
- 2.Rf6#
- 1...Rf1
- Tries
- 1.Sd2?
- threat
- 2.Bd3#
- 2.Rxf4#
- 1...Rxd2
- 2.Rxf4#
- 1...Bxd2
- 2.Bd3#
- 1...f1Q
- 2.Rxf4#
- 1...f1B
- 2.Rxf4#
- 1...Re1
- 2.Rxf4#
- 1...Bc4
- 2.Rf6#
- 1...Bd5
- 2.Rxf4#
- 2.Rxd5#
- 2.Rf6#
- 2.Qxd5#
- 1...Sc4
- 2.Qc2#
- 1...Sb5
- 2.Rxf4#
- 2.Qc2#
- 1...c4!
- threat
- 1.Rd2?
- threat
- 2.Bd3#
- 2.Rxf4#
- 1...Rxd2
- 2.Rxf4#
- 1...Bxd2
- 2.Bd3#
- 1...f1Q
- 2.Rxf4#
- 1...f1B
- 2.Rxf4#
- 1...Re1
- 2.Rxf4#
- 1...Bd5
- 2.Rxf4#
- 1...Sc4
- 2.Qc2#
- 1...Sb5
- 2.Rxf4#
- 2.Qc2#
- 1...c4
- 2.Sd4#
- 1...Bc4!
- threat
- 1.Qc2+?
- 1...Rd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sxc2!
- 1...Rd3
- 1.Qd2?
- threat
- 2.Bd3#
- 2.Rxf4#
- 1...Rxd2
- 2.Rxf4#
- 1...Bxd2
- 2.Bd3#
- 1...f1Q
- 2.Rxf4#
- 1...f1B
- 2.Rxf4#
- 1...Re1
- 2.Rxf4#
- 1...Bc4
- 2.Rf6#
- 1...Bd5
- 2.Rxf4#
- 2.Rxd5#
- 2.Rf6#
- 1...Sb5
- 2.Rxf4#
- 1...c4
- 2.Sd4#
- 1...Sc4!
- threat
- 1.Qe2?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Re1
- 2.Bd3#
- 1...Rd4
- 2.Qe5#
- 1...Rd5
- 2.Qe4#
- 1...Bd5
- 2.Rf6#
- 2.Qe5#
- 1...Sc4
- 2.Qe4#
- 1...Be3!
- threat
- 1.Sd2?
- Keys
- 1.Bd2!
- threat
- 2.Bd3#
- 2.Rxf4#
- 1...Rxd2
- 2.Rxf4#
- 1...Bxd2
- 2.Bd3#
- 1...f1Q
- 2.Rxf4#
- 1...f1B
- 2.Rxf4#
- 1...Re1
- 2.Rxf4#
- 1...Bc4
- 2.Rf6#
- 1...Bd5
- 2.Rxf4#
- 2.Rxd5#
- 2.Rf6#
- 1...Sc4
- 2.Qc2#
- 1...Sb5
- 2.Rxf4#
- 2.Qc2#
- 1...c4
- 2.Sd4#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::B(H)
- R(c);S_CUTB(b)::R1(E),XP(f)
- R(c);N_GUARD::B(H),XR(c)
- B(b);N_GUARD::R1(E),XP(f)
- B(b);S_CUTR(c)::B(H)
- B(i);OGATE,XS(B)::R1(I)
- B(i);OGATE::R1(I)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(c);XS(B)::R1(E),XP(f)
- B(b);XS(B)::B(H)
- P(d);::R1(E),XP(f)
- R(c);::R1(E),XP(f)
- B(i);OGATE::R1(I)
- S(e);N_GUARD::QAB(A)
- Refutation
- P(g);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(c);XR(I)::R1(E),XP(f)
- B(b);XR(I)::B(H)
- P(d);::R1(E),XP(f)
- R(c);::R1(E),XP(f)
- B(i);::R1(E),XP(f)
- S(e);N_GUARD::QAB(A)
- P(g);N_GUARD::S(B)
- Refutation
- B(i);
- Try
- Q(A);CHECK
- Refutation
- S(e);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(A)::R1(E),XP(f)
- B(b);XQ(A)::B(H)
- P(d);::R1(E),XP(f)
- R(c);::R1(E),XP(f)
- B(i);OGATE::R1(I)
- S(e);::R1(E),XP(f)
- P(g);N_GUARD::S(B)
- Refutation
- S(e);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::B(H)
- R(c);::QAR1(A)
- R(c);::QAB1(A)
- S(e);::QAB1(A)
- Refutation
- B(b);
- Try
- Actual
- B(C);
- Threat
- DUALS(2)
- Vars
- R(c);XB(C)::R1(E),XP(f)
- B(b);XB(C)::B(H)
- P(d);::R1(E),XP(f)
- R(c);::R1(E),XP(f)
- B(i);OGATE::R1(I)
- S(e);N_GUARD::QAB(A)
- P(g);N_GUARD::S(B)
Developed and maintained by Brian Stephenson.
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