MESON Chess Problem Database

Problem Display
PID: 151548 (2R5/b2p4/3p1Rp1/5NP1/3Pk2P/5p2/2Pp1PNB/1K1Q4 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Panuev-60 JT, 2012

2R5/b2p4/3p1Rp1/5NP1/3Pk2P/5p2/2Pp1PNB/1K1Q4

#2

12 + 7

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxf3#
    • 1...d5
      • 2.Re8#
  • Tries
    • 1.Sge3?
      • threat
        • 2.Re8#
      • 1...Bxd4
        • 2.Sxd6#
      • 1...gxf5!
    • 1.Sxd6+?
      • 1...Kxd4
        • 2.Qxd2#
      • 1...Kd5!
    • 1.Se7?
      • threat
        • 2.Rf4#
      • 1...Bxd4
        • 2.Qxf3#
      • 1...Kxd4!
    • 1.Rxd6?
      • threat
        • 2.Sg3#
      • 1...Kxf5
        • 2.Qxf3#
      • 1...fxg2
        • 2.Qg4#
      • 1...gxf5
        • 2.Re8#
      • 1...Bxd4!
    • 1.Rc3?
      • threat
        • 2.Qxf3#
      • 1...Kd5
        • 2.Qxf3#
      • 1...fxg2
        • 2.Qf3#
      • 1...gxf5!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Sf4#
        • 2.Rxd6#
        • 2.Qxf3#
        • 2.c4#
      • 1...fxe2!
    • 1.c4?
      • threat
        • 2.Qc2#
      • 1...Kd3
        • 2.Qxf3#
      • 1...fxg2
        • 2.Qe2#
      • 1...gxf5!
  • Keys
    • 1.Sfe3!
      • threat
        • 2.Rf4#
      • 1...Kxd4
        • 2.Rc4#
      • 1...Bxd4
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT::QAB(B),XP(b)
    • P(d);SBLOCK::R(L)
  • Tries
    • Try
      • S(E);
      • Threat
        • R(L)
      • Vars
        • B(f);SBLOCK,XP(G)::S(I),XP(d)
      • Refutation
        • P(e);XS(I)
    • Try
      • S(I);CHECK,XP(d)
      • Vars
        • K(c);P-FLIGHT,P_SPINP(a),XP(G)::QAR2(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(I);
      • Threat
        • R1(K)
      • Vars
        • B(f);SBLOCK,XP(G)::QAB1(B),XP(b)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(a),XP(G)
    • Try
      • R(K);XP(d)
      • Threat
        • S(I)
      • Vars
        • K(c);S_FLIGHT,XS(I)::QAR2(B),XP(b)
        • P(b);OGATE,XS(E)::QAR2(B)
        • P(e);SBLOCK,XS(I)::R(L)
      • Refutation
        • B(f);XP(G)
    • Try
      • R(L);
      • Threat
        • QAB1(B),XP(b)
      • Vars
        • K(c);S_FLIGHT::QAB(B),XP(b)
        • P(b);XS(E)::QAB1(B)
      • Refutation
        • P(e);XS(I)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(b);XQ(B)
    • Try
      • P(C);
      • Threat
        • QAB(B)
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::QAR2(B),XP(b)
        • P(b);N_GUARD,XS(E)::QAR2(B)
      • Refutation
        • P(e);XS(I)
  • Actual
    • S(I);
    • Threat
      • R1(K)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINP(a),XP(G)::R1(L)
      • B(f);SBLOCK,XP(G)::QAB1(B),XP(b)
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