MESON Chess Problem Database
Problem Display
PID: 229878 (k6r/p4p1P/N4P2/NP3p2/8/2R4p/3R3p/K3QB2 w - - 0 1)
Piatesi, Antonio
Schweizerische Schachzeitung, 1986
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxh7
- 2.Rd8#
- 2.Rc8#
- 2.Qe8#
- 1...Rb8
- 2.Sc7#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Qxe8#
- 1...Rg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...f4
- 2.Qe4#
- 1...Rxh7
- Tries
- 1.Be2?
- threat
- 2.Bf3#
- 2.Qh1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Bf3#
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Bf3#
- 2.Qxh1#
- 1...Rb8
- 2.Sc7#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Rg8
- 2.Bf3#
- 2.hxg8Q#
- 2.hxg8R#
- 1...f4
- 2.Bf3#
- 1...Re8!
- threat
- 1.Bd3?
- threat
- 2.Qh1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rb8
- 2.Sc7#
- 1...Rc8
- 2.Rxc8#
- 1...Re8
- 2.Qxe8#
- 1...Rg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...f4
- 2.Be4#
- 2.Qe4#
- 1...Rd8!
- threat
- 1.Bc4?
- threat
- 2.Bd5#
- 2.Qh1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Bd5#
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Bd5#
- 2.Qxh1#
- 1...Rb8
- 2.Sc7#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Bd5#
- 2.Qxe8#
- 1...Rg8
- 2.Bd5#
- 2.hxg8Q#
- 2.hxg8R#
- 1...f4
- 2.Bd5#
- 2.Qe4#
- 1...Rc8!
- threat
- 1.Be2?
- Keys
- 1.Bxh3!
- threat
- 2.Bg2#
- 2.Qh1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Bg2#
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Bg2#
- 2.Qxh1#
- 1...Rb8
- 2.Sc7#
- 1...Rc8
- 2.Rxc8#
- 1...Rd8
- 2.Rxd8#
- 1...Re8
- 2.Qxe8#
- 1...Rg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...f4
- 2.Qe4#
- threat
- 1.Bxh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(g);SBLOCK::S(H)
- R(g);N_GUARD::R(E),XR(g)
- R(g);N_GUARD::R(D),XR(g)
- R(g);N_GUARD::QAR(B),XR(g)
- R(g);OGATE::PXR(g)=Q
- P(c);N_GUARD::QAB(B)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINQ(B)::QAB(B),XQ(a)
- P(a);::QAB(B),XB(a)
- R(g);SBLOCK::S(H)
- R(g);N_GUARD::R(E),XR(g)
- R(g);N_GUARD::R(D),XR(g)
- P(c);::B(C)
- Refutation
- R(g);
- Try
- B(C);
- Threat
- QAB(B)
- Vars
- P(a);P_PINQ(B)::QAB(B),XQ(a)
- P(a);::QAB(B),XS(a)
- P(a);::QAB(B),XB(a)
- P(a);P_PINQ(B)::QAB(B),XR(a)
- R(g);SBLOCK::S(H)
- R(g);N_GUARD::R(E),XR(g)
- R(g);N_GUARD::QAR(B),XR(g)
- R(g);OGATE::PXR(g)=Q
- Refutation
- R(g);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINQ(B)::QAB(B),XQ(a)
- P(a);::QAB(B),XB(a)
- R(g);SBLOCK::S(H)
- R(g);N_GUARD::R(D),XR(g)
- Refutation
- R(g);
- Try
- Actual
- B(C);XP(b)
- Threat
- DUALS(2)
- Vars
- P(a);P_PINQ(B)::QAB(B),XQ(a)
- P(a);::QAB(B),XB(a)
- R(g);SBLOCK::S(H)
- R(g);N_GUARD::R(E),XR(g)
- R(g);N_GUARD::R(D),XR(g)
- R(g);N_GUARD::QAR(B),XR(g)
- R(g);OGATE::PXR(g)=Q
- P(c);N_GUARD::QAB(B)
Developed and maintained by Brian Stephenson.
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