MESON Chess Problem Database
Problem Display
PID: 124463 (1n3Q2/pP2N3/R3p2r/P3k2P/2K1p3/p7/1r1N1P2/B7 w - - 0 1)
Thomson, Robert Gavin
1st HM., Good Companions (January), 1915
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxh5
- 2.Sg6#
- 1...Rf6
- 2.Qxb8#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Sxa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...a2
- 2.Bxb2#
- 1...e3
- 2.f4#
- 1...Rxh5
- Tries
- 1.Sb1?
- 1...Rxh5
- 2.Sg6#
- 1...Sxa6
- 2.Sc6#
- 1...Rf6
- 2.Qxb8#
- 1...Sc6
- 2.Sxc6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Sd7
- 2.Sc6#
- 1...a2
- 2.Bxb2#
- 1...e3!
- 1...Rxh5
- 1.Sf1?
- 1...Rxh5
- 2.Sg6#
- 1...Sxa6
- 2.Sc6#
- 1...Rf6
- 2.Qxb8#
- 1...Sc6
- 2.Sxc6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Sd7
- 2.Sc6#
- 1...a2
- 2.Bxb2#
- 1...e3!
- 1...Rxh5
- 1.Sb3?
- 1...Rxh5
- 2.Sg6#
- 1...Sxa6
- 2.Sc6#
- 1...Rf6
- 2.Qxb8#
- 1...Sc6
- 2.Sxc6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Sd7
- 2.Sc6#
- 1...a2
- 2.Bxb2#
- 1...e3!
- 1...Rxh5
- 1.Sd5?
- threat
- 2.Qf4#
- 1...Rf6
- 2.Qxf6#
- 1...exd5+!
- threat
- 1.Qg7+?
- 1...Kf4
- 2.Qg3#
- 1...Rf6!
- 1...Kf4
- 1.f3?
- threat
- 2.f4#
- 1...Sxa6
- 2.Sc6#
- 1...Rf6
- 2.Qxb8#
- 1...Sc6
- 2.Sxc6#
- 1...exf3!
- threat
- 1.Sb1?
- Keys
- 1.Kc3!
- threat
- 2.Sc4#
- 1...Rc2+
- 2.Kxc2#
- 1...Rb3+
- 2.Kxb3#
- 1...Rxd2
- 2.Kxd2#
- 1...Rf6
- 2.Qxb8#
- 1...Rb4
- 2.Kxb4#
- 1...e3
- 2.f4#
- threat
- 1.Kc3!
There are these versions: 21010
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(f);N_GUARD,XP(F)::S(I)
- R(f);SBLOCK::QAB(J),XS(h)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(h);N_GUARD,XR(G)::S(I)
- S(h);N_GUARD::S(I),XS(h)
- S(h);N_GUARD::S(I)
- P(b);N_GUARD::B(A),XR(a)
- P(c);N_GUARD::P(C)
- Tries
- Try
- S(B);
- Vars
- R(f);N_GUARD,XP(F)::S(I)
- S(h);N_GUARD,XR(G)::S(I)
- R(f);SBLOCK::QAB(J),XS(h)
- S(h);N_GUARD::S(I),XS(h)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- P(b);N_GUARD::B(A),XR(a)
- Refutation
- P(c);
- Try
- S(B);
- Vars
- R(f);N_GUARD,XP(F)::S(I)
- S(h);N_GUARD,XR(G)::S(I)
- R(f);SBLOCK::QAB(J),XS(h)
- S(h);N_GUARD::S(I),XS(h)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- P(b);N_GUARD::B(A),XR(a)
- Refutation
- P(c);
- Try
- S(B);
- Vars
- R(f);N_GUARD,XP(F)::S(I)
- S(h);N_GUARD,XR(G)::S(I)
- R(f);SBLOCK::QAB(J),XS(h)
- S(h);N_GUARD::S(I),XS(h)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(h);N_GUARD::S(I)
- P(b);N_GUARD::B(A),XR(a)
- Refutation
- P(c);
- Try
- S(I);
- Threat
- QAB1(J)
- Vars
- R(f);N_GUARD::QAB1(J),XR(f)
- Refutation
- P(e);CHECK,XS(I)
- Try
- Q(J);CHECK
- Vars
- K(d);N_SPINR(a),S_FLIGHT::QAB1(J)
- Refutation
- R(f);
- Try
- P(C);
- Threat
- P(C)
- Vars
- S(h);N_GUARD,XR(G)::S(I)
- R(f);SBLOCK::QAB(J),XS(h)
- S(h);N_GUARD::S(I),XS(h)
- Refutation
- P(c);XP(C)
- Try
- Actual
- K(D);N_PINR(a),P-FLIGHT
- Threat
- S(B)
- Vars
- R(a);CHECK::B(A)+K(D),XR(a)
- R(a);XS(B)::B(A)+K(D),XR(a)
- R(f);SBLOCK::QAB(J),XS(h)
- R(a);::B(A)+K(D),XR(a)
- P(c);N_GUARD::P(C)
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