MESON Chess Problem Database
Problem Display
PID: 258349 (6KB/1n3N2/2p5/2rPR3/3kN3/1PR2r2/3pBPp1/6Q1 w - - 0 1)
Moen, Kabe
Problemas, 2022
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Rd3#
- 2.Qxf2#
- 1...Rd3
- 2.Rxd3#
- 1...Re3
- 2.fxe3#
- 1...Rg3+
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.Rd3#
- 2.f3#
- 1...Rf5
- 2.Rd3#
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.Rd3#
- 2.f3#
- 2.f4#
- 1...Rxf7
- 2.Rd3#
- 2.f3#
- 2.f4#
- 1...Rc4
- 2.Rxc4#
- 1...Ra5
- 2.Rc4#
- 1...Rb5
- 2.Rc4#
- 1...Rxd5
- 2.Rc4#
- 1...Rxf2
- Tries
- 1.Sxc5?
- threat
- 2.Rc4#
- 2.Rf5#
- 1...Rg3+
- 2.Rg5#
- 1...Rxc3
- 2.Se6#
- 1...Rxf7
- 2.Rc4#
- 1...Sxc5
- 2.Rc4#
- 1...cxd5
- 2.Re4#
- 2.Rf5#
- 1...Re3
- 2.Rc4#
- 1...Rh3
- 2.Rc4#
- 2.Rh5#
- 1...Rf5
- 2.Rc4#
- 2.Rxf5#
- 1...Rf6
- 2.Rc4#
- 1...Sa5
- 2.Rf5#
- 1...Sd6
- 2.Rf5#
- 1...Kxc3!
- threat
- 1.Sfg5?
- threat
- 2.Sxf3#
- 2.Se6#
- 2.Rf5#
- 1...Rxf2
- 2.Sf3#
- 2.Se6#
- 2.Rd3#
- 2.Rf5#
- 2.Qxf2#
- 1...Rfxc3
- 2.Se6#
- 2.Rf5#
- 1...Rcxc3
- 2.Se6#
- 2.Rf5#
- 1...Rxd5
- 2.Sxf3#
- 2.Se6#
- 2.Rc4#
- 1...Rf6
- 2.f4#
- 1...Rd3
- 2.Se6#
- 2.Rxd3#
- 2.Rf5#
- 1...Re3
- 2.Se6#
- 2.Rf5#
- 2.fxe3#
- 1...Rg3
- 2.Rf5#
- 2.fxg3#
- 2.f3#
- 1...Rh3
- 2.Se6#
- 2.f3#
- 1...Rf4
- 2.Se6#
- 2.Rd3#
- 2.Rf5#
- 2.f3#
- 1...Rf5
- 2.Se6#
- 2.Rd3#
- 2.Rxf5#
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.Se6#
- 2.Rd3#
- 2.f3#
- 2.f4#
- 1...Sd8
- 2.Sxf3#
- 2.Rf5#
- 1...Rf8+!
- threat
- 1.Rxf3?
- threat
- 2.Rd3#
- 1...d1Q
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Rc3!
- threat
- 1.Rg5+?
- 1...Rf6
- 2.f3#
- 1...Kxe4!
- 1...Rf6
- 1.Rh5+?
- 1...Rf6
- 2.f3#
- 1...Kxe4!
- 1...Rf6
- 1.Re6+?
- 1...Rf6
- 2.Rd3#
- 1...Kxd5!
- 1...Rf6
- 1.Re7+?
- 1...Rf6
- 2.Rd3#
- 1...Kxd5!
- 1...Rf6
- 1.Re8+?
- 1...Rf6
- 2.Rd3#
- 1...Kxd5!
- 1...Rf6
- 1.Sxc5?
- Keys
- 1.Re3!
- threat
- 2.Rf5#
- 1...Rg3+
- 2.Rg5#
- 1...Rxf2
- 2.Rd3#
- 1...Rxe3
- 2.fxe3#
- 1...Rxf7
- 2.Rd3#
- 1...Rxd5
- 2.Qa1#
- 1...Rh3
- 2.Rh5#
- 1...Rf5
- 2.Rd3#
- 2.Rxf5#
- 1...Rf6
- 2.Rd3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::R1(E),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);CHECK,OGATE::QAB(A)+P(C),XR(c)
- R(c);OGATE::QAB(A)+P(C)
- R(e);N_GUARD::R1(E),XR(e)
- R(e);N_GUARD::R1(E)
- R(e);N_GUARD,XP(G)::R1(E)
- Tries
- Try
- S(F);XR(e)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,N_GUARD::B(K)+R(H)
- R(c);SBLOCK,XR(E)::S(F)
- R(c);XS(I)::R1(E)
- S(g);XS(F)::R1(E)
- R(c);::R1(E)
- S(g);::B(K)+R(H)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- R(c);OGATE::QAB(A)+P(C)
- Refutation
- R(c);CHECK
- Try
- R(E);XR(c)
- Threat
- R1(E)
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- R(e);
- Try
- R(H);CHECK
- Vars
- R(c);OGATE,P_SPINR(c)::QAB(A)+P(C)
- Refutation
- K(d);P-FLIGHT,XS(F)
- Try
- R(H);CHECK
- Vars
- R(c);OGATE,P_SPINR(c)::QAB(A)+P(C)
- Refutation
- K(d);P-FLIGHT,XS(F)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c)::R1(E)
- Refutation
- K(d);P-FLIGHT,XP(G)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c)::R1(E)
- Refutation
- K(d);P-FLIGHT,XP(G)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c)::R1(E)
- Refutation
- K(d);P-FLIGHT,XP(G)
- Try
- Actual
- R(E);
- Threat
- B(K)+R(H)
- Vars
- R(c);CHECK,N_GUARD::B(K)+R(H)
- R(c);N_GUARD,XP(C)::R1(E)
- R(c);OGATE,XR(E)::P(C),XR(c)
- R(c);N_GUARD,XS(I)::R1(E)
- R(e);N_GUARD,XP(G)::QAB(A)
- R(c);N_GUARD::B(K)+R(H)
- R(c);N_GUARD::R1(E)
Developed and maintained by Brian Stephenson.
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